Home / 127,875.64-176,468.58-71,285.80

Finding the Fourth Proportional to 127,875.64, 176,468.58 and 71,285.80

Calculator

Solution

The fourth proportional to 127,875.64, 176,468.58 and 71,285.80 is: 98,374.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,875.64 : 176,468.58 = 71,285.80 : x
  2. Step 2: Convert to fraction form
    127,875.64/176,468.58 = 71,285.80/x
  3. Step 3: Cross multiply
    127,875.64x = 176,468.58 × 71,285.80
  4. Step 4: Simplify right side
    127,875.64x = 12,579,703,900.16
  5. Step 5: Solve for x
    x = 12,579,703,900.16/127,875.64
  6. Step 6: Final answer
    x = 98,374.51

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.